./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrcpy_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-15/cstrcpy_malloc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 09ae4d51b580facdb6980454a5f3a8886f91c21b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:03:43,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:03:43,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:03:43,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:03:43,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:03:43,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:03:43,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:03:43,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:03:43,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:03:43,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:03:43,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:03:43,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:03:43,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:03:43,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:03:43,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:03:43,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:03:43,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:03:43,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:03:43,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:03:43,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:03:43,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:03:43,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:03:43,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:03:43,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:03:43,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:03:43,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:03:43,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:03:43,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:03:43,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:03:43,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:03:43,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:03:43,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:03:43,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:03:43,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:03:43,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:03:43,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:03:43,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:03:43,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:03:43,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:03:43,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:03:43,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:03:43,434 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 03:03:43,450 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:03:43,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:03:43,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:03:43,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:03:43,453 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:03:43,453 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:03:43,453 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:03:43,453 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:03:43,454 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:03:43,454 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:03:43,454 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:03:43,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:03:43,455 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:03:43,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:03:43,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:03:43,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:03:43,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:03:43,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:03:43,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:03:43,457 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:03:43,457 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:03:43,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:03:43,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:03:43,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:03:43,459 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:03:43,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:03:43,459 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:03:43,459 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:03:43,461 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:03:43,461 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09ae4d51b580facdb6980454a5f3a8886f91c21b [2019-11-28 03:03:43,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:03:43,804 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:03:43,807 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:03:43,809 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:03:43,810 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:03:43,812 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2019-11-28 03:03:43,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09466def7/73effa883327436e975e56f444093c9b/FLAG4d4098d0b [2019-11-28 03:03:44,462 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:03:44,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2019-11-28 03:03:44,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09466def7/73effa883327436e975e56f444093c9b/FLAG4d4098d0b [2019-11-28 03:03:44,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09466def7/73effa883327436e975e56f444093c9b [2019-11-28 03:03:44,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:03:44,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:03:44,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:03:44,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:03:44,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:03:44,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:44" (1/1) ... [2019-11-28 03:03:44,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1187dbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:44, skipping insertion in model container [2019-11-28 03:03:44,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:44" (1/1) ... [2019-11-28 03:03:44,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:03:44,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:03:45,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:03:45,272 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:03:45,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:03:45,399 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:03:45,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:45 WrapperNode [2019-11-28 03:03:45,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:03:45,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:03:45,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:03:45,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:03:45,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:45" (1/1) ... [2019-11-28 03:03:45,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:45" (1/1) ... [2019-11-28 03:03:45,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:03:45,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:03:45,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:03:45,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:03:45,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:45" (1/1) ... [2019-11-28 03:03:45,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:45" (1/1) ... [2019-11-28 03:03:45,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:45" (1/1) ... [2019-11-28 03:03:45,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:45" (1/1) ... [2019-11-28 03:03:45,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:45" (1/1) ... [2019-11-28 03:03:45,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:45" (1/1) ... [2019-11-28 03:03:45,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:45" (1/1) ... [2019-11-28 03:03:45,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:03:45,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:03:45,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:03:45,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:03:45,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:03:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:03:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 03:03:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:03:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:03:45,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:03:45,806 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:03:45,807 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 03:03:45,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:45 BoogieIcfgContainer [2019-11-28 03:03:45,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:03:45,810 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:03:45,811 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:03:45,815 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:03:45,819 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:03:45,820 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:03:44" (1/3) ... [2019-11-28 03:03:45,821 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@661deb1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:03:45, skipping insertion in model container [2019-11-28 03:03:45,821 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:03:45,821 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:45" (2/3) ... [2019-11-28 03:03:45,822 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@661deb1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:03:45, skipping insertion in model container [2019-11-28 03:03:45,824 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:03:45,824 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:45" (3/3) ... [2019-11-28 03:03:45,827 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcpy_malloc.i [2019-11-28 03:03:45,896 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:03:45,897 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:03:45,897 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:03:45,897 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:03:45,898 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:03:45,898 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:03:45,898 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:03:45,899 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:03:45,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-28 03:03:45,946 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:03:45,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:03:45,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:03:45,952 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 03:03:45,952 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:03:45,952 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:03:45,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-28 03:03:45,954 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:03:45,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:03:45,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:03:45,955 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 03:03:45,955 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:03:45,962 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet208, main_#t~nondet209, main_#t~malloc210.base, main_#t~malloc210.offset, main_#t~malloc211.base, main_#t~malloc211.offset, main_#t~ret212.base, main_#t~ret212.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet208;havoc main_#t~nondet208;main_~length2~0 := main_#t~nondet209;havoc main_#t~nondet209; 9#L375true assume !(main_~length1~0 < 1); 13#L375-2true assume !(main_~length2~0 < 1); 5#L378-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc210.base, main_#t~malloc210.offset;call main_#t~malloc211.base, main_#t~malloc211.offset := #Ultimate.allocOnHeap(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, cstrcpy_#t~mem207, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 7#L368-3true [2019-11-28 03:03:45,962 INFO L796 eck$LassoCheckResult]: Loop: 7#L368-3true cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post205.base, 1 + cstrcpy_#t~post205.offset;cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post206.base, 1 + cstrcpy_#t~post206.offset;call cstrcpy_#t~mem207 := read~int(cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, 1);call write~int(cstrcpy_#t~mem207, cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, 1); 14#L368-1true assume !!(0 != cstrcpy_#t~mem207);havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset;havoc cstrcpy_#t~mem207;havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset; 7#L368-3true [2019-11-28 03:03:45,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:03:45,970 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2019-11-28 03:03:45,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:03:45,979 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588492846] [2019-11-28 03:03:45,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:03:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:03:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:03:46,151 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:03:46,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:03:46,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2019-11-28 03:03:46,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:03:46,153 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127704673] [2019-11-28 03:03:46,153 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:03:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:03:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:03:46,177 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:03:46,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:03:46,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2019-11-28 03:03:46,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:03:46,180 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289406743] [2019-11-28 03:03:46,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:03:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:03:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:03:46,259 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:03:46,391 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-11-28 03:03:46,820 WARN L192 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-11-28 03:03:46,973 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-11-28 03:03:46,986 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:03:46,987 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:03:46,987 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:03:46,988 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:03:46,988 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:03:46,988 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:46,988 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:03:46,989 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:03:46,989 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy_malloc.i_Iteration1_Lasso [2019-11-28 03:03:46,989 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:03:46,989 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:03:47,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:47,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:47,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:47,406 WARN L192 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-11-28 03:03:47,568 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-11-28 03:03:47,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:47,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:47,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:47,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:47,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:47,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:47,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:47,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:47,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:47,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:47,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:47,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:48,662 WARN L192 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-11-28 03:03:48,745 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:03:48,750 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:48,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:48,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:48,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:03:48,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:48,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:48,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:48,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:03:48,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:03:48,783 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Exception during sending of exit command (exit): Stream closed No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:48,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:48,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:48,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:03:48,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:48,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:48,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:48,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:03:48,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:03:48,804 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:03:48,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:48,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:48,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:48,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:48,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:48,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:48,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:48,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:03:48,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:48,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:48,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:48,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:48,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:48,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:48,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:03:48,864 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:03:48,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:48,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:48,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:48,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:48,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:48,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:48,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:48,897 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:48,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:48,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:48,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:48,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:48,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:48,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:48,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:03:48,928 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:48,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:48,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:48,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:48,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:48,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:48,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:48,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:03:48,987 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:03:49,202 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2019-11-28 03:03:49,202 INFO L444 ModelExtractionUtils]: 35 out of 52 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:03:49,223 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:49,228 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:03:49,229 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:03:49,230 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~dst~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1) = -1*ULTIMATE.start_cstrcpy_~dst~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1 Supporting invariants [] [2019-11-28 03:03:49,296 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2019-11-28 03:03:49,308 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 03:03:49,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:03:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:03:49,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 03:03:49,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:03:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:03:49,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 03:03:49,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:03:49,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:03:49,464 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:03:49,466 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2019-11-28 03:03:49,541 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 27 states and 30 transitions. Complement of second has 5 states. [2019-11-28 03:03:49,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 03:03:49,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:03:49,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2019-11-28 03:03:49,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 03:03:49,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:03:49,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-28 03:03:49,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:03:49,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-28 03:03:49,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:03:49,553 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2019-11-28 03:03:49,559 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:03:49,562 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2019-11-28 03:03:49,564 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:03:49,564 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:03:49,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:03:49,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:03:49,565 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:03:49,565 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:03:49,566 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:03:49,566 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:03:49,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:03:49,568 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:03:49,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:03:49,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:03:49 BoogieIcfgContainer [2019-11-28 03:03:49,576 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:03:49,577 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:03:49,577 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:03:49,578 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:03:49,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:45" (3/4) ... [2019-11-28 03:03:49,584 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:03:49,584 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:03:49,588 INFO L168 Benchmark]: Toolchain (without parser) took 4836.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -63.0 MB). Peak memory consumption was 154.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:03:49,589 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:03:49,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -169.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:03:49,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:03:49,594 INFO L168 Benchmark]: Boogie Preprocessor took 25.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:03:49,595 INFO L168 Benchmark]: RCFGBuilder took 319.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:03:49,602 INFO L168 Benchmark]: BuchiAutomizer took 3765.68 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.9 MB). Peak memory consumption was 150.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:03:49,603 INFO L168 Benchmark]: Witness Printer took 6.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:03:49,615 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 649.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -169.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 319.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3765.68 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.9 MB). Peak memory consumption was 150.1 MB. Max. memory is 11.5 GB. * Witness Printer took 6.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * dst + unknown-#length-unknown[malloc(length1 * sizeof(char))] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 16 SDtfs, 15 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital211 mio100 ax100 hnf99 lsp97 ukn93 mio100 lsp46 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf194 smp92 tf100 neg97 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...